Oregon Scientific Store - Oregon Scientific THGN800-OEM Wireless Temperature & Humidity Sensor for Professional Weather Stations - Not In Retail Packaging
Amazon.com: Oregon Scientific THGR122NX Water Resistant Remote Sensor W/ LCD Display. Measures and Displays Humidity & Temperature from -22F to 140F : Patio, Lawn & Garden
Oregon Scientific THGR 810 thermo/hygro sensor for WMR 100
Oregon Scientific EW 109 thermo/hygro sensor
Oregon Scientific Bluetooth Thermo-Hygro Thermometer - Walmart.com